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lib/path: #138 c2-stack buffer port — buffer/push/appendnorm/appendlit/string/isroot/set + dot/dotdot, cstage @test

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Faithful realignment of lib/path to Hare's buffer-centric API
(ref/hare/path/{stack,buffer}.ha). Replaces the old str-only path.ww
wholesale (zero consumers). Scope = stack-core: init() deferred (returns
~4KB (buffer|error), rides the #40 arc / #147); abs/dirname/basename land
in c3; extension/join dropped.

appendlit uses the #145 slice-copy-assign arm (buf.buf[lo:hi]=bs), no hand
loop. dot/dotdot are faithful module-global []u8 (D2 #148). MAX =
os.PATH_MAX-1. Divergences (size->i32 indices, frombytes, module-global
consts) cited inline.

Tests: lib/path/pathtest.ww (table-driven), wired at test/wcc/989_path_run.c;
push rows mirror stack.ha:107-111 verbatim incl the restored "/d"
intermediate. Slot 989 (overflow bucket) since 970 is taken.

C-first: cstage @test green; wwstage byte-id deferred to the #125 batch.
path classified M_WWREJECT in 989_lib_byteid (w6c_ww rejects the module-
global slice consts = #120/#29; + the #148 twin #151) — self-graduates back
to M_ID the day wwstage accepts. path moved off the 900_stdlib standalone
list (import-dependent: os.PATH_MAX def-dim + match over imported error
types; coverage at 989_path_run), per the bytes/fmt/os precedent.

Gate: all 324 passed, byte-id 990-997 green, w6c/w6c_ww unchanged
(lib-only, non-embedded).
This commit is contained in:
Hojun-Cho
2026-06-08 11:25:11 +09:00
parent 26d6e2abad
commit 16f47da916
6 changed files with 310 additions and 119 deletions
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9
test/wcc/900_stdlib.c
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@@ -15,7 +15,6 @@ static const char *modules[] = {
"lib/io/io.ww",
"lib/strconv/strconv.ww",
"lib/sort/sort.ww",
"lib/path/path.ww",
"lib/encoding/utf8/utf8.ww",
"lib/encoding/base32/base32.ww",
"lib/hash/fnv/fnv.ww",
@@ -41,13 +40,17 @@ static const char *modules[] = {
* lib/encoding/base64 graduated to Hare's io-streaming surface
* (hex references io.handle / fmt.fprint / memio.dynamic / strconv /
* errors.invalid; base64 references io.handle / memio.dynamic /
* bytes.zero / strings.frombytes / errors.invalid). Coverage lives at
* bytes.zero / strings.frombytes / errors.invalid); lib/path.path
* is import-dependent post-c2-stack realignment ([MAX]u8 via
* os.PATH_MAX def-dim + match over imported path error types).
* Coverage lives at
* lib/bufio/bufiotest.ww + lib/bytes/bytestest.ww +
* lib/errors/errnotest.ww + lib/fmt/fmttest.ww + lib/os/stattest.ww
* + lib/strings/stringstest.ww + lib/encoding/hex/hextest.ww +
* lib/encoding/base64/base64_test.ww (wired at 998_bufio_run.c,
* 967_bytes_run.c, 902_errno_run.c, 970_fmt_run.c, 976_stat_run.c,
* 966_strings_run.c, 979_hex_run.c, 984_base64_run.c), plus the
* 966_strings_run.c, 979_hex_run.c, 984_base64_run.c) + path at
* lib/path/pathtest.ww (989_path_run.c), plus the
* bufio.scanline / fmt.println e2e rows in test/wcc/700_e2e.c. */
"lib/net/net.ww",
NULL